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 ###Instrução: qual são todas as datas de retirada de serviço inseridas em 21 de novembro de 1945
 ###Tabelas: CREATE TABLE cart_career_results (cart_career_results_id AUTO_INCREMENT PRIMARY KEY, Year INT, Team VARCHAR, Wins INT, Points INT, Championship Finish VARCHAR) CREATE TABLE ships_operated_by_zeeland_steamship_company_smz (ships_operated_by_zeeland_steamship_company_smz_id AUTO_INCREMENT PRIMARY KEY, Ships name VARCHAR, Date entered service VARCHAR, Date withdrawn VARCHAR, Tonnage INT, Type of Ship VARCHAR) CREATE TABLE listed_breeds (listed_breeds_id AUTO_INCREMENT PRIMARY KEY, Breed [A ] VARCHAR, Group VARCHAR, 2002 Registrations INT, 2005 Registrations INT, 2011 Registrations INT) CREATE TABLE daughters (daughters_id AUTO_INCREMENT PRIMARY KEY, Number INT, Title VARCHAR, Born VARCHAR, Died VARCHAR, Date Married VARCHAR, Issue VARCHAR, Mother VARCHAR) CREATE TABLE season_6_2009–11 (season_6_2009–11_id AUTO_INCREMENT PRIMARY KEY, Series # INT, Season # INT, Title VARCHAR, Directed by VARCHAR, Written by VARCHAR, Original air date VARCHAR, Production code INT)  
SELECT Date withdrawn FROM ships_operated_by_zeeland_steamship_company_smz WHERE Date entered service = 21 November 1945